Melbourne Water requires all commercial, industrial and irrigation properties with a potential cross-connection hazard to install approved backflow prevention devices and have them tested annually by a licensed tester. Failure to comply can result in significant penalties and disconnection from the mains supply.
Annual Backflow Device Testing
We test all types of testable backflow prevention devices including reduced pressure zone (RPZ) valves, double check valves and pressure vacuum breakers.
Device Installation
Supply and installation of appropriate backflow prevention devices for new or existing commercial, industrial and irrigation connections based on the hazard level assessment.
Device Repair & Replacement
Where a device fails testing, we carry out on-site repairs where possible or replace with an approved device to restore compliance before reporting to Melbourne Water.
Hazard Assessment
For new or altered commercial connections, we carry out cross-connection hazard assessments and specify the appropriate level of backflow protection required.
Recall Management
We maintain records of all devices we test and send annual reminders when your next test is due, ensuring you never miss a compliance deadline.
Mamone’s Plumbing & Gas manages the entire compliance process on your behalf. We test your devices, carry out any necessary repairs, and submit all required documentation to Melbourne Water. We also maintain a reminder system so you never miss an annual test deadline.
We Handle the Paperwork
Our licensed testers submit all compliance reports directly to Melbourne Water after each test, so you have nothing to organise or follow up.
Annual Reminder Service
We record your device details and send you a reminder when your next annual test is due, keeping your compliance on track without any extra effort from you.
What is a backflow prevention device and why do I need one?
How often must backflow prevention devices be tested in Victoria?
What happens if my backflow device fails its annual test?
Which properties are required to have backflow prevention devices?
Can Mamone's handle all the reporting and paperwork for Melbourne Water?
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Mamone’s Plumbing & Gas is your trusted, Melbourne-based plumbing and gas company with over a decade of experience.
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